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Finding the Fourth Proportional to 143,949.58, 215,916.58 and 44,110.07

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Solution

The fourth proportional to 143,949.58, 215,916.58 and 44,110.07 is: 66,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,949.58 : 215,916.58 = 44,110.07 : x
  2. Step 2: Convert to fraction form
    143,949.58/215,916.58 = 44,110.07/x
  3. Step 3: Cross multiply
    143,949.58x = 215,916.58 × 44,110.07
  4. Step 4: Simplify right side
    143,949.58x = 9,524,095,457.96
  5. Step 5: Solve for x
    x = 9,524,095,457.96/143,949.58
  6. Step 6: Final answer
    x = 66,162.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.